JPH0741521U - Rimless glasses - Google Patents

Abstract

(57) [Abstract] [Purpose] A connecting portion of a bridge member and a temple to a lens is formed without undergoing a brazing process to improve manufacturing efficiency of rimless glasses. [Structure] The connecting portions 3a and 3b forming the bridge member and the tip side of the temple are formed by bending one wire. The connecting portion has an abutting piece portion 15 that comes into contact with the peripheral surface of the lens, and a connecting piece portion 9 in which an insertion hole 12 for inserting a connecting screw is provided at an inner end portion.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to rimless spectacles in which a connecting portion forming a tip side of a bridge member and / or a connecting portion forming a tip side of a temple are both formed by bending a single wire rod.

[0002]

[Prior art]

 In the rimless glasses having a structure in which the connecting portion forming the tip side of the bridge member is connected to the inner portion of the lens, and the connecting portion forming the tip side of the temple is connected to the outer portion of the lens, the connecting portion has been conventionally known. It was generally configured as follows. That is, as shown in FIGS. 7 to 8, a curved contact piece b that contacts the lens peripheral surface a is brazed to the end portion of the connecting portion main body c, and protrudes inward of the lens and is inserted into the inner end portion. The connecting piece e provided with the hole d was brazed to the corresponding contact piece b.

[0003]

[Problems to be solved by the device]

 As described above, in the conventional manufacturing process of rimless spectacles, it is necessary to braze plural kinds of small parts in a predetermined manner when forming the connecting part of the bridge member and the connecting part of the temple. However, there was a problem that productivity was poor because it required many man-hours. Further, since the connecting portion is formed by brazing at a plurality of places, when the connecting portion is bent when adjusting the degree of opening of the temple, there is a risk that brazing may occur and the brazing portion may be broken. The present invention aims to provide rimless glasses that can solve such problems.

[0004]

[Means for Solving the Problems]

 In order to solve the above problems, the present invention adopts the following means. That is, the rimless spectacles according to the present invention have a rimless structure in which the connecting portion forming the tip side of the bridge member is connected to the inner portion of the lens and the connecting portion forming the tip side of the temple is connected to the outer portion of the lens. Eyeglasses, and the connecting portion of the bridge member and / or the connecting portion of the temple are both formed by bending a single wire rod, and have a long C-shape or annular shape in the circumferential direction of the lens. The abutting piece that is bent into contact with the peripheral surface of the lens and the insertion hole that protrudes inward of the lens and that inserts the connecting hole that inserts the connecting hole provided in the lens are formed in the inner end part. And a connecting piece part that is

In the rimless glasses, the connecting portion of the bridge member and the connecting portion of the temple can be formed by bending a single wire rod made of a metal material having superelasticity.

[0006]

【Example】

 An embodiment of the present invention will be described below with reference to the drawings. Referring to FIG. 1, in the rimless glasses 1 according to the present invention, the connecting portions 3a, 3a forming the tip side of the bridge member 2 are connected to the inner portions of the lenses 4, 4 and the connecting portion 3b forming the tip side of the temple 5. Is connected to the outer portion of the lens 4.

The temple 5 has a connecting member (in this embodiment, the same as the connecting portion 3b) 7 pivotably attached to the front end of the temple body 6 so as to be bendable. In this embodiment, the connecting member 7 (connecting portion 3b) is formed by bending a single wire into two folds, as shown in an enlarged view in FIGS. The tip side portion is a U-shaped connecting piece portion 9 which projects inward of the lens and is folded back at the inner end, and the connecting hole 10 provided in the outer portion of the lens 4 is inserted into the inner end portion thereof. An insertion hole 12 for inserting the connecting screw 11 is provided. The intermediate portion is bent to have a C-shape or an annular shape that is long in the circumferential direction of the lens 4, and serves as a contact piece portion 15 that contacts the peripheral surface 13 of the lens. At the base end side, the upper and lower pieces 16 and 17 are aligned and project to the rear of the lens, and the rear end parts are both bent inwardly in an annular shape, and the upper annular shape A portion 19 and a lower annular portion 20 are formed. Similarly, the front end portion of the temple main body 6 is also bent inward in an annular shape to form an annular portion 21. As shown in FIG. 3, the annular portion 21 is interposed between the upper and lower annular portions 19 and 20, and the overlapping portion has a U-shape as shown in FIGS. 1 and 3. It is housed in the groove 23 of the box member 22.

A pivoting screw 25, which is inserted through the central portion of the upper piece 24 of the box member 22, is inserted into the insertion holes 26, 27, 29 of the annular portions 19, 21, 20 and the lower portion thereof. It is screwed into a screw hole 31 provided in the central portion of the piece 30 and is tightened, whereby the temple body 6 and the connecting member 7 are flexibly pivotally attached. FIG. 4 shows the temple 5 in a developed state, in which the front end portion 32 of the temple body 6 and the rear end portion 33 of the connecting member 7 are in contact with the inner surface portion of the side piece 35 of the box member 22.

As shown in FIG. 1, the temple connecting member 7 (connecting portion 3b) having such a structure has its abutting piece portion 15 in contact with the peripheral surface 13 of the lens and the insertion hole 12 in the connecting hole 10. It is applied to the lens 4 in the aligned state. After that, the connecting screw 11 is inserted into the insertion hole 12 and the connecting hole 10 from one surface side of the lens, and the nut 36 is screwed and tightened on the screw shaft portion projecting to the other surface side of the lens. It is connected to the lens 4.

On the other hand, the bridge member 2 is formed by bending a single wire rod in this embodiment, as shown in an enlarged view in FIGS. The portion 3a includes a contact piece portion 15 that is bent to have a C-shape or an annular shape that is long in the circumferential direction of the lens and contacts the peripheral surface 13 of the lens, and a U-shape that projects inward of the lens and is folded back at the inner end. A connecting piece 9 having a shape of a circle is provided. The inner end portion of the connecting piece portion is provided with an insertion hole 12 into which a connecting screw 11 (FIG. 1) for inserting the connecting hole 10 provided in the inner portion of the lens is inserted. An arm 37 for attaching the nose pad is extended at the folded end of the connecting piece. The tip of the arm 37 is annularly bent to form a mounting hole 39, and a mounting shaft 41 of a nose pad 40 is fixed to the mounting hole 39 as shown in FIG.

As shown in FIG. 1, the connecting portion 3 a of the bridge member 2 having such a configuration has its abutting piece portion 15 in contact with the peripheral surface 13 of the lens and the insertion hole 12 in alignment with the connecting hole 10. It is applied to the lens 4 in this state. Thereafter, the connecting screw 11 is inserted into the insertion hole 12 and the connecting hole 10 from one surface side of the lens, and the nut 36 is screwed and tightened to the screw shaft portion protruding to the other surface side of the lens, whereby the bridge member 2 Is connected to lens 4.

FIG. 6 shows another embodiment of the connecting member 7 pivotally attached to the front end of the temple body 6, in which the base end of the connecting portion 3b formed by bending a single wire rod is hinged. 42 is brazed. The connecting portion 3b is bent into a C-shape or an annular shape that is long in the circumferential direction of the lens, and an abutting piece portion 15 that comes into contact with the circumferential surface 13 of the lens and an inwardly projecting lens having an annular end. It has a connecting piece portion 9 formed by inserting the through hole 12 of the connecting screw 11 by being bent. The connecting portion 3b having such a structure is connected to the lens 4 in the same manner as described above.

In the present invention, the structure of the connecting portion of the bridge member and the structure of the connecting portion of the temple are formed by bending one wire and have a contact piece and a connecting piece. The contact piece is bent so as to have a C-shape or an annular shape that is long in the circumferential direction of the lens so as to come into contact with the circumferential surface of the lens, and the connecting piece part protrudes inward of the lens and is connected to the lens. The structure is not limited to the one shown in the above-mentioned embodiment as long as the insertion hole for inserting the fixing screw through the connecting hole is formed in the inner end portion.

In the rimless spectacles according to the present invention, only one of the connecting portion of the bridge member and the connecting portion of the temple may be provided with the contact piece and the connecting piece.

[0015]

[Effect of device]

 Since the present invention is configured as described above, a brazing process is not required when configuring the connecting portion of the bridge member and the connecting portion of the temple in the rimless glasses. Therefore, it is possible to improve the manufacturing efficiency of the rimless glasses, and even when the connecting part is bent to adjust the temple opening degree, there is the problem of the wax separation and the brazed part breakage as in the past. There is no fear of inviting.

Further, according to the present invention, since the connecting portion of the bridge member and the temple is formed by bending a single wire rod, it is easy to adopt a material having poor brazing property such as a super elastic metal material. . For example, when these are manufactured using a super elastic metal material, it is possible to manufacture rimless eyeglasses having a good fitting property.

[Brief description of drawings]

FIG. 1 is a perspective view illustrating an embodiment of the present invention.

FIG. 2 is an exploded perspective view illustrating the structure of a temple.

FIG. 3 is a cross-sectional view illustrating a configuration of a hinge portion of the temple.

FIG. 4 is an explanatory diagram illustrating a developed state of a temple.

FIG. 5 is a perspective view illustrating a bridge member.

FIG. 6 is a perspective view illustrating another aspect of the connecting portion of the temple.

FIG. 7 is a front view illustrating a configuration of a connecting portion of a temple and a bridge member in conventional rimless glasses.

FIG. 8 is a cross-sectional view illustrating a configuration of a temple connecting portion in conventional rimless glasses.

[Explanation of symbols]

 1 rimless glasses 2 bridge member 3a bridge member connecting part 3b temple connecting part 4 lens 5 temple 9 connecting piece part 10 connecting hole 11 connecting screw 12 insertion hole 13 lens peripheral surface 15 abutting piece part

[Procedure amendment]

[Submission date] September 9, 1994

[Procedure Amendment 1]

[Document name to be amended] Statement

[Name of item to be corrected] Claim 2

[Correction method] Change

[Correction content]

Claims (2)

[Scope of utility model registration request] 1. A rimless spectacle, comprising: a connecting portion forming a tip side of a bridge member connected to an inner portion of a lens; and a connecting portion forming a tip side of a temple connected to an outer portion of the lens. The connecting portion and / or the connecting portion of the temple are both formed by bending one wire, and are bent so as to have a long C-shape or an annular shape in the circumferential direction of the lens, and the peripheral portion of the lens is bent. A contact piece portion that comes into contact with the surface, and a connecting piece portion that is formed in the inner end portion and has an insertion hole that projects inward of the lens and into which a connection screw that inserts a connection hole provided in the lens is inserted. The characteristic rimless glasses. 2. The rimless spectacles, wherein the connecting portion of the bridge member and the connecting portion of the temple are formed by bending a single wire rod made of a metal material having superelasticity.